/Engine/Plugins/FX/Niagara/Source/NiagaraShader/Public/NiagaraShared.h
Attempts to load the shader map for the given script from the Derived Data Cache. If InOutShaderMap is valid, attempts to load the individual missing shaders instead.
static void LoadFromDerivedDataCache ( const [FNiagaraShaderScript](API\Plugins\NiagaraShader\FNiagaraShaderScript) * Script, const [FNiagaraShaderMapId](API\Plugins\NiagaraShader\FNiagaraShaderMapId) & ShaderMapId, EShaderPlatform Platform, [TRefCountPtr](API\Runtime\Core\Templates\TRefCountPtr)< [FNiagaraShaderMap](API\Plugins\NiagaraShader\FNiagaraShaderMap) > & InOutShaderMap )